/**
 *	@file    symmetric_libsodium.h
 *	@version 8e6f0e1 (HEAD -> master)
 *
 *	Header for libsodium crypto layer.
 */
/*
 *	Copyright (c) 2013-2016 INSIDE Secure Corporation
 *	Copyright (c) PeerSec Networks, 2002-2011
 *	All Rights Reserved
 *
 *	The latest version of this code is available at http://www.matrixssl.org
 *
 *	This software is open source; you can redistribute it and/or modify
 *	it under the terms of the GNU General Public License as published by
 *	the Free Software Foundation; either version 2 of the License, or
 *	(at your option) any later version.
 *
 *	This General Public License does NOT permit incorporating this software
 *	into proprietary programs.  If you are unable to comply with the GPL, a
 *	commercial license for this software may be purchased from INSIDE at
 *	http://www.insidesecure.com/
 *
 *	This program is distributed in WITHOUT ANY WARRANTY; without even the
 *	implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *	See the GNU General Public License for more details.
 *
 *	You should have received a copy of the GNU General Public License
 *	along with this program; if not, write to the Free Software
 *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *	http://www.gnu.org/copyleft/gpl.html
 */

/******************************************************************************/

#ifndef _h_LIBSODIUM_SYMMETRIC
#define _h_LIBSODIUM_SYMMETRIC

#include "../cryptoApi.h"
#include "sodium.h"

/******************************************************************************/

#ifdef USE_LIBSODIUM_AES_GCM
typedef struct __attribute__((aligned(16))) {
	crypto_aead_aes256gcm_state	libSodiumCtx;
	unsigned char	IV[AES_BLOCKLEN];
	unsigned char	Tag[AES_BLOCKLEN];
	unsigned char	Aad[crypto_aead_aes256gcm_ABYTES]; //TODO change this length
	uint32_t		AadLen;
} psAesGcm_t;
#endif

#ifdef USE_LIBSODIUM_CHACHA20_POLY1305
typedef struct {
	unsigned char   key[crypto_aead_chacha20poly1305_KEYBYTES];
	unsigned char	IV[crypto_aead_chacha20poly1305_IETF_NPUBBYTES];
	unsigned char	Tag[crypto_aead_chacha20poly1305_ABYTES];
	unsigned char	Aad[16];
	uint32_t		AadLen;
} psChacha20Poly1305_t;
#endif

/******************************************************************************/

#endif /* _h_LIBSODIUM_SYMMETRIC */

